package hate.study;

import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;

public class Study0612 {


    public static void main(String[] args){
        int[] a={1,4,-1,5,0};
        Arrays.sort(a);
        for(int i=0;i<a.length;i++){
            System.out.print(a[i]+"  ");
        }
        System.out.println("abc".indexOf("b"));



    }
}
